36 Borromeo conducted himself in precisely that way. Thus we read in his writings: "Since the fruit of the Sacraments is so abundantly effective, its value can be explained with no little difficulty. They should, therefore, be treated and received with the greatest preparation, deepest reverence, and external pomp and ceremony." His exhortations (which We have also made in Our decree, Tridentina Synodus ) to pastors and preachers concerning the ancient practice of frequent Holy Communion is most worthy of notice. "Pastors and preachers," the holy Bishop writes, "should take every possible opportunity to urge the people to cultivate the practice of frequently receiving Holy Communion. In this they are following the example of the early Church, the recommendations of the most authoritative Fathers, the doctrine of the Roman Catechism (which treats this matter in detail), and, finally the teaching of the Council of Trent. The last mentioned would have the faithful receive Communion in every Mass, not only spiritually but sacramentally." He describes the intention and affection one should have in approaching the Sacred Banquet in the following words: "The people should not only be urged to receive Holy Communion frequently, but also how dangerous and fatal it would be to approach the Sacred Table of Divine Food unworthily." It would seem that our days of wavering faith and coldness need this same fervor in a special way so that frequent reception of Holy Communion will not be accompanied by a decrease in reverence toward this great mystery. On the contrary, by this frequency a man should "prove himself, and so let him eat of that bread and drink of the cup."
Source: Editae Saepe (Vatican.va)